Re: Dell Media Direct button

2008-08-21 Thread Robert Millan
On Thu, Aug 21, 2008 at 02:13:05PM +0200, Stefan Reinauer wrote: > > The sequence of writing to port 0x70 / reading from port 0x71 reflects > reading from the computer's "cmos" nvram memory. > bit 7 of 0x70 is reserved for disabling NMIs, so the actual information > is stored in byte 0x79[8] in th

Re: Dell Media Direct button

2008-08-21 Thread Javier Martín
2008/8/21 Stefan Reinauer <[EMAIL PROTECTED]>: > Robert Millan wrote: >> On Wed, Aug 20, 2008 at 10:57:22AM +0200, Per Öberg wrote: >> >>> Hi >>> >>> Some laptops, e.g., from Dell have a special button that they use to >>> boot a special embedded OS for media only instead of the ordinary OS. >>> >>

Re: Dell Media Direct button

2008-08-21 Thread Stefan Reinauer
Robert Millan wrote: > On Wed, Aug 20, 2008 at 10:57:22AM +0200, Per Öberg wrote: > >> Hi >> >> Some laptops, e.g., from Dell have a special button that they use to >> boot a special embedded OS for media only instead of the ordinary OS. >> >> For my Dell XPS1330M I can determine if the Media bu

Re: Dell Media Direct button

2008-08-21 Thread Per Öberg
Javier Martín wrote: > 2008/8/20 Colin D Bennett <[EMAIL PROTECTED]>: >> On Wed, 20 Aug 2008 12:12:59 +0200 >> Robert Millan <[EMAIL PROTECTED]> wrote: >> >>> On Wed, Aug 20, 2008 at 10:57:22AM +0200, Per Öberg wrote: Hi Some laptops, e.g., from Dell have a special button that they u

Re: Dell Media Direct button

2008-08-20 Thread Javier Martín
2008/8/20 Colin D Bennett <[EMAIL PROTECTED]>: > On Wed, 20 Aug 2008 12:12:59 +0200 > Robert Millan <[EMAIL PROTECTED]> wrote: > >> On Wed, Aug 20, 2008 at 10:57:22AM +0200, Per Öberg wrote: >> > Hi >> > >> > Some laptops, e.g., from Dell have a special button that they use to >> > boot a special e

Re: Dell Media Direct button

2008-08-20 Thread Colin D Bennett
On Wed, 20 Aug 2008 12:12:59 +0200 Robert Millan <[EMAIL PROTECTED]> wrote: > On Wed, Aug 20, 2008 at 10:57:22AM +0200, Per Öberg wrote: > > Hi > > > > Some laptops, e.g., from Dell have a special button that they use to > > boot a special embedded OS for media only instead of the ordinary > > OS

Re: Dell Media Direct button

2008-08-20 Thread Vesa Jääskeläinen
Robert Millan wrote: > On Wed, Aug 20, 2008 at 10:57:22AM +0200, Per Öberg wrote: >> Hi >> >> Some laptops, e.g., from Dell have a special button that they use to >> boot a special embedded OS for media only instead of the ordinary OS. >> >> For my Dell XPS1330M I can determine if the Media button

Re: Dell Media Direct button

2008-08-20 Thread Robert Millan
On Wed, Aug 20, 2008 at 10:57:22AM +0200, Per Öberg wrote: > Hi > > Some laptops, e.g., from Dell have a special button that they use to > boot a special embedded OS for media only instead of the ordinary OS. > > For my Dell XPS1330M I can determine if the Media button was pressed by > first writ

Dell Media Direct button

2008-08-20 Thread Per Öberg
Hi Some laptops, e.g., from Dell have a special button that they use to boot a special embedded OS for media only instead of the ordinary OS. For my Dell XPS1330M I can determine if the Media button was pressed by first writing 0xf9 to port 0x70 and then testing bit 0x08 of port 0x71. It would b